'Gu Family Book' main characters miss A's Suzy and actor Sung Joon revealed a picture taken together.

Today (23rd), Sung Joon posted on his Twitter, "Sorry, Suzy" along with a picture.

In the picture, Suzy and Sung Joon are both looking at the camera, smiling. The two seems a bit tired from long hours of filming, but their good looks still seem evident.

Internet users who saw this commented, "They look good together," "So pretty and so handsome," and "Best-looking couple."

MBC "Gu Family Book" will finish on June 25.

Photo Credit: Sung Joon Twitter